AASCO Light Weight Flywheels are designed to improve the overall performance of your import. The replaceable friction surface will allow you to do away with resurfacing your flywheel ever again. The high tolerance manufacturing insures a perfect hassle-free installation. The flywheel is designed for normal street use for the every day performance enthusiasts. These flywheels are manufactured from the highest quality materials like 6061-T6 aluminum for the flywheel, treated steel for the heat shield (friction surface), and OEM quality starter ring gears. All flywheels come with a one year limited warranty.